Black body (Black hole) radiation I have a question regarding Black body (black hole) radiation.
Is it correct to say that the black hole radiation is the hawking radiation? How is the formula for the wavelength of hawking radiation related to the black body mass? In Wikipedia i couldn't find anything on this.
 A: From Wikipedia:

Hawking radiation is black-body radiation that is predicted to be released by black holes because of quantum effects near the black hole event horizon. It is named after the physicist Stephen Hawking, who developed a theoretical argument for its existence in 1974.

In the same article (to be found here) you can find that this radiation corresponds to that of a black body with temperature:

The last ratio in this equation is the ratio between the mass of the sun and that of the black hole.
You can use this temperature to find the relation between the spectral radiance of the Hawking radiation:

This spectral radiance is that of an ordinary black body. So when you know the temperature $T$ of the black body to which the Hawking radiation corresponds, you can find the (black body) spectral radiance of the Hawking radiation. Obviously, when the mass of the black hole increases, the radiation will correspond to lower temperature black bodies.

How is the formula for the wavelength of hawking radiation related to the black body mass?

For this, you just have to plug in the $T$ of the first formula into the second equation for the black body spectral radiance.
